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Chemical cells and batteries convert chemical energy into electrical energy through chemical reactions. This lesson covers how cells work, the difference between cells and batteries, the factors that affect the voltage of a cell, and how these link to the Energy Changes topic in AQA GCSE Chemistry.
A chemical cell (also called an electrochemical cell or voltaic cell) is a device that produces a voltage (potential difference) and an electrical current from chemical reactions. The chemicals in the cell react together, and the energy stored in their chemical bonds is converted into electrical energy.
A basic chemical cell contains:
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